1 2 /* 3 * jazz16.c - driver for Media Vision Jazz16 based soundcards. 4 * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl> 5 * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman. 6 * Based on OSS Sound Blaster driver. 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file COPYING in the main directory of this archive for 10 * more details. 11 * 12 */ 13 14 #include <linux/init.h> 15 #include <linux/module.h> 16 #include <linux/io.h> 17 #include <linux/delay.h> 18 #include <asm/dma.h> 19 #include <linux/isa.h> 20 #include <sound/core.h> 21 #include <sound/mpu401.h> 22 #include <sound/opl3.h> 23 #include <sound/sb.h> 24 #define SNDRV_LEGACY_FIND_FREE_IRQ 25 #define SNDRV_LEGACY_FIND_FREE_DMA 26 #include <sound/initval.h> 27 28 #define PFX "jazz16: " 29 30 MODULE_DESCRIPTION("Media Vision Jazz16"); 31 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>"); 32 MODULE_LICENSE("GPL"); 33 34 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 35 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 36 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 37 static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 38 static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 39 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; 40 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; 41 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 42 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 43 44 module_param_array(index, int, NULL, 0444); 45 MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard."); 46 module_param_array(id, charp, NULL, 0444); 47 MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard."); 48 module_param_array(enable, bool, NULL, 0444); 49 MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard."); 50 module_param_hw_array(port, long, ioport, NULL, 0444); 51 MODULE_PARM_DESC(port, "Port # for jazz16 driver."); 52 module_param_hw_array(mpu_port, long, ioport, NULL, 0444); 53 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver."); 54 module_param_hw_array(irq, int, irq, NULL, 0444); 55 MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver."); 56 module_param_hw_array(mpu_irq, int, irq, NULL, 0444); 57 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver."); 58 module_param_hw_array(dma8, int, dma, NULL, 0444); 59 MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver."); 60 module_param_hw_array(dma16, int, dma, NULL, 0444); 61 MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver."); 62 63 #define SB_JAZZ16_WAKEUP 0xaf 64 #define SB_JAZZ16_SET_PORTS 0x50 65 #define SB_DSP_GET_JAZZ_BRD_REV 0xfa 66 #define SB_JAZZ16_SET_DMAINTR 0xfb 67 #define SB_DSP_GET_JAZZ_MODEL 0xfe 68 69 struct snd_card_jazz16 { 70 struct snd_sb *chip; 71 }; 72 73 static irqreturn_t jazz16_interrupt(int irq, void *chip) 74 { 75 return snd_sb8dsp_interrupt(chip); 76 } 77 78 static int jazz16_configure_ports(unsigned long port, 79 unsigned long mpu_port, int idx) 80 { 81 unsigned char val; 82 83 if (!request_region(0x201, 1, "jazz16 config")) { 84 snd_printk(KERN_ERR "config port region is already in use.\n"); 85 return -EBUSY; 86 } 87 outb(SB_JAZZ16_WAKEUP - idx, 0x201); 88 udelay(100); 89 outb(SB_JAZZ16_SET_PORTS + idx, 0x201); 90 udelay(100); 91 val = port & 0x70; 92 val |= (mpu_port & 0x30) >> 4; 93 outb(val, 0x201); 94 95 release_region(0x201, 1); 96 return 0; 97 } 98 99 static int jazz16_detect_board(unsigned long port, 100 unsigned long mpu_port) 101 { 102 int err; 103 int val; 104 struct snd_sb chip; 105 106 if (!request_region(port, 0x10, "jazz16")) { 107 snd_printk(KERN_ERR "I/O port region is already in use.\n"); 108 return -EBUSY; 109 } 110 /* just to call snd_sbdsp_command/reset/get_byte() */ 111 chip.port = port; 112 113 err = snd_sbdsp_reset(&chip); 114 if (err < 0) 115 for (val = 0; val < 4; val++) { 116 err = jazz16_configure_ports(port, mpu_port, val); 117 if (err < 0) 118 break; 119 120 err = snd_sbdsp_reset(&chip); 121 if (!err) 122 break; 123 } 124 if (err < 0) { 125 err = -ENODEV; 126 goto err_unmap; 127 } 128 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) { 129 err = -EBUSY; 130 goto err_unmap; 131 } 132 val = snd_sbdsp_get_byte(&chip); 133 if (val >= 0x30) 134 snd_sbdsp_get_byte(&chip); 135 136 if ((val & 0xf0) != 0x10) { 137 err = -ENODEV; 138 goto err_unmap; 139 } 140 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) { 141 err = -EBUSY; 142 goto err_unmap; 143 } 144 snd_sbdsp_get_byte(&chip); 145 err = snd_sbdsp_get_byte(&chip); 146 snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n", 147 val, err); 148 149 err = 0; 150 151 err_unmap: 152 release_region(port, 0x10); 153 return err; 154 } 155 156 static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq) 157 { 158 static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4, 159 0, 2, 5, 0, 0, 0, 0, 6 }; 160 static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 }; 161 162 if (jazz_dma_bits[chip->dma8] == 0 || 163 jazz_dma_bits[chip->dma16] == 0 || 164 jazz_irq_bits[chip->irq] == 0) 165 return -EINVAL; 166 167 if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR)) 168 return -EBUSY; 169 170 if (!snd_sbdsp_command(chip, 171 jazz_dma_bits[chip->dma8] | 172 (jazz_dma_bits[chip->dma16] << 4))) 173 return -EBUSY; 174 175 if (!snd_sbdsp_command(chip, 176 jazz_irq_bits[chip->irq] | 177 (jazz_irq_bits[mpu_irq] << 4))) 178 return -EBUSY; 179 180 return 0; 181 } 182 183 static int snd_jazz16_match(struct device *devptr, unsigned int dev) 184 { 185 if (!enable[dev]) 186 return 0; 187 if (port[dev] == SNDRV_AUTO_PORT) { 188 snd_printk(KERN_ERR "please specify port\n"); 189 return 0; 190 } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) { 191 snd_printk(KERN_ERR "incorrect port specified\n"); 192 return 0; 193 } 194 if (dma8[dev] != SNDRV_AUTO_DMA && 195 dma8[dev] != 1 && dma8[dev] != 3) { 196 snd_printk(KERN_ERR "dma8 must be 1 or 3\n"); 197 return 0; 198 } 199 if (dma16[dev] != SNDRV_AUTO_DMA && 200 dma16[dev] != 5 && dma16[dev] != 7) { 201 snd_printk(KERN_ERR "dma16 must be 5 or 7\n"); 202 return 0; 203 } 204 if (mpu_port[dev] != SNDRV_AUTO_PORT && 205 (mpu_port[dev] & ~0x030) != 0x300) { 206 snd_printk(KERN_ERR "incorrect mpu_port specified\n"); 207 return 0; 208 } 209 if (mpu_irq[dev] != SNDRV_AUTO_DMA && 210 mpu_irq[dev] != 2 && mpu_irq[dev] != 3 && 211 mpu_irq[dev] != 5 && mpu_irq[dev] != 7) { 212 snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n"); 213 return 0; 214 } 215 return 1; 216 } 217 218 static int snd_jazz16_probe(struct device *devptr, unsigned int dev) 219 { 220 struct snd_card *card; 221 struct snd_card_jazz16 *jazz16; 222 struct snd_sb *chip; 223 struct snd_opl3 *opl3; 224 static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1}; 225 static const int possible_dmas8[] = {1, 3, -1}; 226 static const int possible_dmas16[] = {5, 7, -1}; 227 int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq; 228 229 err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE, 230 sizeof(struct snd_card_jazz16), &card); 231 if (err < 0) 232 return err; 233 234 jazz16 = card->private_data; 235 236 xirq = irq[dev]; 237 if (xirq == SNDRV_AUTO_IRQ) { 238 xirq = snd_legacy_find_free_irq(possible_irqs); 239 if (xirq < 0) { 240 snd_printk(KERN_ERR "unable to find a free IRQ\n"); 241 return -EBUSY; 242 } 243 } 244 xdma8 = dma8[dev]; 245 if (xdma8 == SNDRV_AUTO_DMA) { 246 xdma8 = snd_legacy_find_free_dma(possible_dmas8); 247 if (xdma8 < 0) { 248 snd_printk(KERN_ERR "unable to find a free DMA8\n"); 249 return -EBUSY; 250 } 251 } 252 xdma16 = dma16[dev]; 253 if (xdma16 == SNDRV_AUTO_DMA) { 254 xdma16 = snd_legacy_find_free_dma(possible_dmas16); 255 if (xdma16 < 0) { 256 snd_printk(KERN_ERR "unable to find a free DMA16\n"); 257 return -EBUSY; 258 } 259 } 260 261 xmpu_port = mpu_port[dev]; 262 if (xmpu_port == SNDRV_AUTO_PORT) 263 xmpu_port = 0; 264 err = jazz16_detect_board(port[dev], xmpu_port); 265 if (err < 0) { 266 printk(KERN_ERR "Media Vision Jazz16 board not detected\n"); 267 return err; 268 } 269 err = snd_sbdsp_create(card, port[dev], irq[dev], 270 jazz16_interrupt, 271 dma8[dev], dma16[dev], 272 SB_HW_JAZZ16, 273 &chip); 274 if (err < 0) 275 return err; 276 277 xmpu_irq = mpu_irq[dev]; 278 if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT) 279 xmpu_irq = 0; 280 err = jazz16_configure_board(chip, xmpu_irq); 281 if (err < 0) { 282 printk(KERN_ERR "Media Vision Jazz16 configuration failed\n"); 283 return err; 284 } 285 286 jazz16->chip = chip; 287 288 strcpy(card->driver, "jazz16"); 289 strcpy(card->shortname, "Media Vision Jazz16"); 290 sprintf(card->longname, 291 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d", 292 port[dev], xirq, xdma8, xdma16); 293 294 err = snd_sb8dsp_pcm(chip, 0); 295 if (err < 0) 296 return err; 297 err = snd_sbmixer_new(chip); 298 if (err < 0) 299 return err; 300 301 err = snd_opl3_create(card, chip->port, chip->port + 2, 302 OPL3_HW_AUTO, 1, &opl3); 303 if (err < 0) 304 snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n", 305 chip->port, chip->port + 2); 306 else { 307 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 308 if (err < 0) 309 return err; 310 } 311 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { 312 if (mpu_irq[dev] == SNDRV_AUTO_IRQ) 313 mpu_irq[dev] = -1; 314 315 if (snd_mpu401_uart_new(card, 0, 316 MPU401_HW_MPU401, 317 mpu_port[dev], 0, 318 mpu_irq[dev], 319 NULL) < 0) 320 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n", 321 mpu_port[dev]); 322 } 323 324 err = snd_card_register(card); 325 if (err < 0) 326 return err; 327 328 dev_set_drvdata(devptr, card); 329 return 0; 330 } 331 332 #ifdef CONFIG_PM 333 static int snd_jazz16_suspend(struct device *pdev, unsigned int n, 334 pm_message_t state) 335 { 336 struct snd_card *card = dev_get_drvdata(pdev); 337 struct snd_card_jazz16 *acard = card->private_data; 338 struct snd_sb *chip = acard->chip; 339 340 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 341 snd_sbmixer_suspend(chip); 342 return 0; 343 } 344 345 static int snd_jazz16_resume(struct device *pdev, unsigned int n) 346 { 347 struct snd_card *card = dev_get_drvdata(pdev); 348 struct snd_card_jazz16 *acard = card->private_data; 349 struct snd_sb *chip = acard->chip; 350 351 snd_sbdsp_reset(chip); 352 snd_sbmixer_resume(chip); 353 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 354 return 0; 355 } 356 #endif 357 358 static struct isa_driver snd_jazz16_driver = { 359 .match = snd_jazz16_match, 360 .probe = snd_jazz16_probe, 361 #ifdef CONFIG_PM 362 .suspend = snd_jazz16_suspend, 363 .resume = snd_jazz16_resume, 364 #endif 365 .driver = { 366 .name = "jazz16" 367 }, 368 }; 369 370 module_isa_driver(snd_jazz16_driver, SNDRV_CARDS); 371